Q fever

Definition

Q fever is a bacterial infection caused by Coxiella burnetii, which primarily affects the respiratory system. It can be transmitted to humans through inhalation of contaminated aerosols from infected animals.

5 Must Know Facts For Your Next Test

1. Coxiella burnetii is a gram-negative bacterium and the causative agent of Q fever.
2. The primary mode of transmission is inhalation of aerosols from contaminated animal products such as birth fluids, urine, feces, or milk.
3. Symptoms often include high fever, severe headache, malaise, myalgia, and atypical pneumonia.
4. Q fever can present in acute and chronic forms; acute Q fever typically resolves within a few weeks with antibiotic treatment.
5. Chronic Q fever is rare but serious, often leading to endocarditis in individuals with pre-existing heart conditions.

Review Questions

• What bacterium causes Q fever?
• How is Q fever primarily transmitted to humans?
• What are common symptoms associated with acute Q fever?

Related terms

Coxiella burnetii: A gram-negative bacterium responsible for causing Q fever.

Atypical Pneumonia: A type of pneumonia that presents with milder symptoms compared to typical pneumonia and can be caused by various pathogens including Coxiella burnetii.

Endocarditis: An inflammation of the inner lining of the heart chambers and valves, which can be a severe complication of chronic Q fever.